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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 20 · 40 questions
TalentJR

The trick (Double double): Double the number. Double the answer again. That is the number × 4.

NameDateTime takenScore ___ / 40
  1. 1.7 × 4 =
  2. 2.10 × 4 =
  3. 3.15 × 4 =
  4. 4.23 × 4 =
  5. 5.36 × 4 =
  6. 6.52 × 4 =
  7. 7.35 × 4 =
  8. 8.9 × 4 =
  9. 9.20 × 4 =
  10. 10.54 × 4 =
  11. 11.22 × 4 =
  12. 12.18 × 4 =
  13. 13.33 × 4 =
  14. 14.17 × 4 =
  15. 15.34 × 4 =
  16. 16.59 × 4 =
  17. 17.50 × 4 =
  18. 18.8 × 4 =
  19. 19.30 × 4 =
  20. 20.12 × 4 =
  21. 21.28 × 4 =
  22. 22.14 × 4 =
  23. 23.60 × 4 =
  24. 24.53 × 4 =
  25. 25.45 × 4 =
  26. 26.25 × 4 =
  27. 27.24 × 4 =
  28. 28.51 × 4 =
  29. 29.56 × 4 =
  30. 30.6 × 4 =
  31. 31.47 × 4 =
  32. 32.43 × 4 =
  33. 33.41 × 4 =
  34. 34.13 × 4 =
  35. 35.19 × 4 =
  36. 36.58 × 4 =
  37. 37.44 × 4 =
  38. 38.37 × 4 =
  39. 39.32 × 4 =
  40. 40.48 × 4 =

Answer key

  1. 28
  2. 40
  3. 60
  4. 92
  5. 144
  6. 208
  7. 140
  8. 36
  9. 80
  10. 216
  11. 88
  12. 72
  13. 132
  14. 68
  15. 136
  16. 236
  17. 200
  18. 32
  19. 120
  20. 48
  21. 112
  22. 56
  23. 240
  24. 212
  25. 180
  26. 100
  27. 96
  28. 204
  29. 224
  30. 24
  31. 188
  32. 172
  33. 164
  34. 52
  35. 76
  36. 232
  37. 176
  38. 148
  39. 128
  40. 192

Free maths tricks lessons, practice and worksheets at talentjr.in/maths-tricks